package cn.tedu.boot31.controller;

import cn.tedu.boot31.entity.Product;
import cn.tedu.boot31.mapper.ProductMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

/**
@Controller
@ResponseBody
*/
@RestController //此注解相当于@Controller+@ResponseBody
public class ProductController {

    @Autowired
    ProductMapper mapper;

    @RequestMapping("insert")
    public String insert(Product product) {
        mapper.insert(product);
        return "添加完成!<a href='/'>返回首页</a>";
    }

    @RequestMapping("update")
    public String update(Product product) {
        mapper.update(product);
        return "修改完成!<a href='/select'>返回列表页面</a>";
    }

    @RequestMapping("select")
    public String select() {
        List<Product> list = mapper.select();
        String html = "<table border=1>";
        html+="<caption>商品列表</caption>";
        html+="<tr><th>id</th><th>标题</th><th>价格</th><th>销量</th><th>操作</th></tr>";
        //把商品数据装进表格标签中
        for (Product p : list) {
            html+="<tr>";
            html+="<td>"+p.getId()+"</td>";
            html+="<td>"+p.getTitle()+"</td>";
            html+="<td>"+p.getPrice()+"</td>";
            html+="<td>"+p.getSaleCount()+"</td>";
            html+="<td><a href='/delete?id="+p.getId()+"'>删除</a></td>";
            html+="</tr>";
        }
        html+="</table>";
        return html;
    }

    @RequestMapping("delete")
    public String delete(int id) {
        mapper.delete(id);
        return "删除完成!<a href='/select'>返回列表页面</a>";
    }
}
